Hex wrench



FIG. 1 is a perspective view of hex wrench showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line in the drawing is included for the purpose of illustrating environmental detail and forms no part of the claimed design. 

CLAIM The ornamental design for a hex wrench, as shown and described. 